54 REVIEW—darvill’s treatise on the race-horse. 
regularities” will such changes follow, in despite of our utmost 
endeavours to counteract them. The organ has been wound up 
to the top of its spring, and will, in that condition, play well and 
vigorously : but, by the laws of both physics and metaphysics, 
decline it must in power as it continues to play on—the spring, 
the 'primnm mobile, must from this pitch of strength grow weaker 
and weaker as the machine works on ; and the works must go 
down, or nearly so, ere they can be again brought to the acme of 
excellence from which they have but so recently descended. 
Little way as we have proceeded into the present volume, we 
will venture to affirm, our readers will not dissent in opinion 
with us, when we declare it to be nowise inferior in excellence to 
the one which preceded it; of the two, for our own part, we 
should say it was the better one. In a conversation we held on 
this subject, we perfectly well remember a friend of our’s in¬ 
forming us, that, at Newmarket, they said, there was nothing 
iieiu in Mr. D.’s work.” Admitting that it contained only what 
is and has long been known on the subject, we should say, that 
there was very great credit due to Mr. Darvill for having collected 
such a lot of rough diffused materials; and still greater, for 
having treated a subject which, at first sight, hardly seemed to 
admit of systematic arrangement, in such a methodic and concise 
style : and, at the same time, as we intimated before, in language 
such as was suited to no other subject, and yet without which 
the subjects of racing and training could scarcely have been in¬ 
telligibly treated. No person at all conversant in such matters 
can read a single line of Mr. Darvill’s work without feeling 
assured that the writer has himself been the actf » of a part 
which he is desirous to teach others to perform ; and we should 
unhesitatingly say, that the young uninitiated jockey or trainer 
might, providing he were intelligent and industrious, gain more 
information by the careful perusal of Mr. Darvill’s work, than 
many years might put him in the possession of, spent in the 
ordinary routine of the stable. 
Zlj/ M. U. Leblanc. 
An intermittent Symptom, the Cause of which is 
A Malady sufficiently visible— Can the Animal 
BE returned on ACCOUNT OF IT? 
I DO not think that he can, because the appearance of this in¬ 
termittent symptom might always have been presumed by the 
purchaser of an animal that exhibited an evident defect to which 
this symptom is plainly referrible. 
It is different when a malady is only cognizable by one or 
more transient symptoms; such an unsoundness may be consi- 
